Ticker · CUSIP 398438408
···Share
Holders (tracked)
8
Combined shares
12,098,936
Combined value
$113.13M
Last close
$8.75
Quarter
2025Q4
Price · 1Y$8.75+1.79 (+25.64%)H $10.74 · L $6.84 · Avg Vol 726K
Position opened
$7.00$8.00$9.00$10.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
8122024Q12025Q4
Price is -6.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

12 events
  1. −224,213 shares · 2025Q4
    Position
  2. +184,874 shares · 2025Q4
    Position
  3. +129,706 shares · 2025Q4
    Position
  4. −44,000 shares · 2025Q4
    Position
  5. −579 shares · 2025Q4
    Position
  6. +1,940,000 shares · 2025Q4
    Position
  7. +4,146 shares · 2025Q3
    Position
  8. −34,500 shares · 2025Q3
    Position
  9. −2,730,270 shares · 2025Q3
    Position
  10. −392,800 shares · 2025Q3
    Position
  11. −1,940,000 shares · 2025Q3
    Position
  12. −1,367,400 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of GRFS…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
AQR Capital Management2024Q2$7.85+11.5%$183K
Steve Cohen (Point72)2019Q3$8.10+8.1%$2.4M
Bill Nygren (Harris / Oakmark)2022Q1$8.48+3.2%$23.5M
Izzy Englander (Millennium Mgmt)2016Q1$9.04-3.2%$62.3M
Ken Griffin (Citadel Advisors)2016Q1$9.62-9.0%$105K
Ken Griffin (Citadel Advisors)2016Q1$9.62-9.0%$105K
Mario Gabelli (GAMCO)2016Q1$19.51-55.2%$210K
Norges Bank (Norway SWF)2017Q2$1503.24-99.4%$17.0M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$40.77B
2022Q2
8
$50.62B
2022Q3
10
$106.3M
2022Q4
9
$148.2M
2023Q1
10
$154.1M
2023Q2
9
$214.8M
2023Q3
10
$225.0M
2023Q4
10
$279.8M
2024Q1
12
$162.0M
2024Q2
12
$159.4M
2024Q3
10
$158.3M
2024Q4
9
$114.0M
2025Q1
9
$88.0M
2025Q2
8
$137.0M
2025Q3
7
$101.0M
2025Q4
8
$113.1M

Who owns GRFS

8 super-investors · 2025Q4
Tracked stake
12.10M
shares
Combined value
$113M
% of shares outstanding
shares-out unknown
Quarter action mix
New1Added2Trim4Held1
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
7.12M$67M
2Bill Nygren
Harris / Oakmark
2.69M$25M
3Norges Bank
Norway SWF
1.94M$18M
4Steve Cohen
Point72
277.4K$3M
5Mario Gabelli
GAMCO
24.0K$224K
6AQR Capital Management20.9K$196K
7Ken Griffin
Citadel Advisors
13.3K$125K
8Ken Griffin
Citadel Advisors
12.0K$112K

Recent moves

20 transactions
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